Among the Jews, every fortieth year of cultivation was a sabbatical year. Before meeting God on Mount Horeb, the prophet Elijah traveled for forty days and nights. Jesus fasted in the wilderness for forty days, and ascended to heaven forty days after his resurrection.
Under the protection of the Immortal God-Emperor, the Imperium of Man has reached its fortieth millennium. Whatever happens in the galaxy at the end of this millennium, it is sure to become a stage for tumultuous events and countless twists of fate.
Looking back sixty million years, everything once confined to legend has returned, and beings unseen for millennia have gathered together.
All in search of a new generation they can call their own.